A satellite moves in an elliptical orbit about the Earth such that, at perigee and apogee po- sitions, the distances from the Earth's center are, respectively, D and 3.1D.
Find the ratio vp of the speeds.
The answer to the question above is 3.1 but I'm not sure how to do the question below.
Find the ratio Ep of the energies.
1. 2.5
2. 1.0
3. 9.3
4. 1.3
5. 2.0
6. 3.2
7. 6.9
8. 5.1
9. 4.6
10) 6.0